39" x 78" x 3" Self Adhesive Egg-Crate Black Acoustic Foam Panel Soundproofing Studio Car Audio

1 sheet of egg-crate acoustic foam - 3 inch thickness HIGH QUALITY ACOUSTIC STUDIO FOAM. GREAT FOR SPOT TREATING YOUR LISTENING ENVIRONMENT. Helps block sound to reduce noise and prevent echoes inside the room. Ideal for music studios, recording studios, home theaters, vocal booths, karaoke studios, etc. CONTROL YOUR ROOM'S ACOUSTICS - Reduces standing waves and flutter echoes in small to medium sized rooms. 1 sheet of egg-crate acoustic foam measures 39 inches by 78 inches. Foam is 3 inches thick. 1 sheet covers 21 square feet. Foam has self adhesive backing for easy installation. Please allow a few days for the foam to return to its original shape. For orders of two or more of these egg crate sheets, we tape two together at the back and roll into one large sheet. Installation tips PLEASE DO NOT PEEL THE WHOLE PAPER OFF ALL AT ONCE PRIOR TO INSTALLATION! --clean the surface to remove dust --gently peel the paper off the back for about one foot wide on one end of the shee